Home / 98,862.52-136,430.32-54,150.52

Finding the Fourth Proportional to 98,862.52, 136,430.32 and 54,150.52

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Solution

The fourth proportional to 98,862.52, 136,430.32 and 54,150.52 is: 74,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,862.52 : 136,430.32 = 54,150.52 : x
  2. Step 2: Convert to fraction form
    98,862.52/136,430.32 = 54,150.52/x
  3. Step 3: Cross multiply
    98,862.52x = 136,430.32 × 54,150.52
  4. Step 4: Simplify right side
    98,862.52x = 7,387,772,771.77
  5. Step 5: Solve for x
    x = 7,387,772,771.77/98,862.52
  6. Step 6: Final answer
    x = 74,727.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.